Unverified Commit 540dcf0f authored by Christian Brauner's avatar Christian Brauner
Browse files

selftests/nsfs: add ioctl validation tests 

Add simple tests to validate that non-nsfs ioctls are rejected.

Link: https://lore.kernel.org/r/20250219-work-nsfs-v1-2-21128d73c5e8@kernel.org


Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 7fd511f8

tools/testing/selftests/filesystems/nsfs/iterate_mntns.c

+14 −0
Original line number Diff line number Diff line
@@ -3,6 +3,8 @@ 


#define _GNU_SOURCE

#include <fcntl.h>

#include <linux/auto_dev-ioctl.h>

#include <linux/errno.h>

#include <sched.h>

#include <stdio.h>

#include <string.h>
@@ -146,4 +148,16 @@ TEST_F(iterate_mount_namespaces, iterate_backward) 
	}

}



TEST_F(iterate_mount_namespaces, nfs_valid_ioctl)

{

	ASSERT_NE(ioctl(self->fd_mnt_ns[0], AUTOFS_DEV_IOCTL_OPENMOUNT, NULL), 0);

	ASSERT_EQ(errno, ENOTTY);



	ASSERT_NE(ioctl(self->fd_mnt_ns[0], AUTOFS_DEV_IOCTL_CLOSEMOUNT, NULL), 0);

	ASSERT_EQ(errno, ENOTTY);



	ASSERT_NE(ioctl(self->fd_mnt_ns[0], AUTOFS_DEV_IOCTL_READY, NULL), 0);

	ASSERT_EQ(errno, ENOTTY);

}



TEST_HARNESS_MAIN